Home / 1,618,825.47-2,233,965.42-893,657.61

Finding the Fourth Proportional to 1,618,825.47, 2,233,965.42 and 893,657.61

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Solution

The fourth proportional to 1,618,825.47, 2,233,965.42 and 893,657.61 is: 1,233,239.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,825.47 : 2,233,965.42 = 893,657.61 : x
  2. Step 2: Convert to fraction form
    1,618,825.47/2,233,965.42 = 893,657.61/x
  3. Step 3: Cross multiply
    1,618,825.47x = 2,233,965.42 × 893,657.61
  4. Step 4: Simplify right side
    1,618,825.47x = 1,996,400,198,059.85
  5. Step 5: Solve for x
    x = 1,996,400,198,059.85/1,618,825.47
  6. Step 6: Final answer
    x = 1,233,239.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.